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Zhang Y, Wang J, Zhang Q, Deng L, Miao S, Zhong G. Konjac-mulberry leaf compound powder alleviates OVA-induced allergic rhinitis in BALB/c mice. FOOD SCIENCE AND HUMAN WELLNESS 2023. [DOI: 10.1016/j.fshw.2023.02.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Uda N, Ogata S, Yamasaki N, Miura S, Hosomi N, Mori A, Gotoh M, Miura K, Kaminuma O. Re-evaluation of over-the-counter histamine H1-receptor antagonists based on their effects on murine models of allergen-induced nasal hyperresponsiveness. J Pharmacol Sci 2022; 150:275-278. [DOI: 10.1016/j.jphs.2022.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/26/2022] [Accepted: 10/12/2022] [Indexed: 11/06/2022] Open
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Sagit M, Polat H, Gurgen SG, Berk E, Guler S, Yasar M. Effectiveness of quercetin in an experimental rat model of allergic rhinitis. Eur Arch Otorhinolaryngol 2017; 274:3087-3095. [PMID: 28493194 DOI: 10.1007/s00405-017-4602-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2017] [Accepted: 05/04/2017] [Indexed: 01/21/2023]
Abstract
We aimed to investigate whether quercetin had a therapeutic effect in an experimental rat model of allergic rhinitis. The study was conducted with 35 rats, which were randomly assigned into 4 groups: group 1 (n = 5), sham group; group 2 (quercetin group, n = 10) received 80 mg/kg day quercetin; group 3 (steroid group, n = 10) received steroid (mometasone furoate); and group 4 (control group, n = 10), received ovalbumin alone. Rats were sensitized by administration of ovalbumin on alternate days over 14 days via an intraperitoneal route. On day 15, in addition to ovalbumin via an intranasal route, quercetin and steroid were given over 7 days to the corresponding groups. All rats were then sacrificed and nasal turbinates were evaluated histopathologically, and serum total IgE and ovalbumin (OVA)-specific IgE values were measured before and after treatment. A significant increase in OVA-specific IgE values was detected in all groups except sham group. A significant increase was detected in post-treatment total IgE levels in the control group, while no significant change was detected in the sham, quercetin, and intranasal steroid groups. On histopathological evaluation, it was observed that findings of allergic rhinitis were suppressed in the quercetin group when compared to the control group. In immunohistochemical evaluation, it was detected that COX-2 and VIP expressions were weaker in the quercetin group compared to the control group. Based on these findings, we conclude that quercetin was effective in allergic rhinitis induced by ovalbumin in rats both histopathologically and serologically.
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Affiliation(s)
- Mustafa Sagit
- Department of ENT, Kayseri Eğitim ve Araştırma Hastanesi KBB Kliniği, Sanayi Mah. Atatürk Bulvarı Hastane Cad. No: 78, 38010, Kayseri, Turkey
| | - Halil Polat
- Department of ENT, Kayseri Eğitim ve Araştırma Hastanesi KBB Kliniği, Sanayi Mah. Atatürk Bulvarı Hastane Cad. No: 78, 38010, Kayseri, Turkey.
| | - Seren Gulsen Gurgen
- Department of Histology and Embryology, Celal Bayar University School of Vocational Health Service, Manisa, Turkey
| | - Elife Berk
- Department of Microbiology, Erciyes University School of Medicine, Kayseri, Turkey
| | - Sabri Guler
- Department of ENT, Kayseri Eğitim ve Araştırma Hastanesi KBB Kliniği, Sanayi Mah. Atatürk Bulvarı Hastane Cad. No: 78, 38010, Kayseri, Turkey
| | - Mehmet Yasar
- Department of ENT, Kayseri Eğitim ve Araştırma Hastanesi KBB Kliniği, Sanayi Mah. Atatürk Bulvarı Hastane Cad. No: 78, 38010, Kayseri, Turkey
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Suzuki Y, Inoue T, Yamamoto A, Sugimoto Y. Prophylactic effects of the histamine H1 receptor antagonist epinastine and the dual thromboxane A2 receptor and chemoattractant receptor-homologous molecule expressed on Th2 cells antagonist ramatroban on allergic rhinitis model in mice. Biol Pharm Bull 2011; 34:507-10. [PMID: 21467637 DOI: 10.1248/bpb.34.507] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The prophylactic use of anti-allergic drugs has been proposed to be effective in the treatment of seasonal allergic rhinitis in humans. However, there is little information regarding the prophylactic effect of thromboxane A(2) (TXA(2)) receptor antagonist on allergic rhinitis. Recent studies revealed that a TXA(2) receptor antagonist ramatroban could block the prostaglandin D(2) (PGD(2)) receptor and chemoattractant receptor-homologous molecule expressed on Th2 cells (CRTH2). In the present study, we investigated the prophylactic effects of the histamine H(1) receptor antagonist epinastine and the TXA(2) receptor antagonist ramatroban and seratrodast on mouse models of allergic rhinitis. Female BALB/c mice were sensitized by an intraperitoneal injection of ovalbumin and alum on days 0, 5, 14 and 21. Seven days later, mice were sensitized by intranasal application of ovalbumin thrice a week. Drugs were administered once a day from day 22. The severity of allergic rhinitis was assessed by determining the extent of 2 nasal allergic symptoms (sneezing and nasal rubbing). Histamine sensitivity and eosinophil infiltration into the nasal mucosa were also determined. Epinastine and ramatroban significantly reduced nasal symptoms and the number of eosinophils in the nasal mucosa. Seratrodast showed no effect on nasal symptoms and eosinophil infiltration into the nasal mucosa. In addition, histamine sensitivity was reduced by epinastine and ramatroban. These results indicate that epinastine and ramatroban induce the prophylactic effect on allergic rhinitis.
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Affiliation(s)
- Yuh Suzuki
- Department of Medicinal Pharmacology, Division of Pharmaceutical Sciences, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Tsushima-naka, Kita-ku, Japan
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Lever R, Hefni A, Moffatt JD, Paul W, Page CP. Effect of tecastemizole on pulmonary and cutaneous allergic inflammatory responses. Clin Exp Allergy 2007; 37:909-17. [PMID: 17517105 DOI: 10.1111/j.1365-2222.2007.02730.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Tecastemizole, a major metabolite of astemizole, is a potent and selective H1 receptor antagonist. Evidence suggests that this and certain other H1 receptor antagonists may possess anti-inflammatory effects that are, in some cases, independent of H1 receptor antagonism. Objective The aim of this study was to investigate the anti-inflammatory effects of tectastemizole in models of allergic inflammation. METHODS Effects of tecastemizole were assessed in a murine model of allergic lung inflammation, in passive cutaneous anaphylaxis (PCA) responses in guinea-pig skin and in in vitro assays measuring endothelial adhesion molecule expression and leucocyte-endothelial adhesion. RESULTS Tecastemizole inhibited antigen-induced eosinophil recruitment to the lungs of allergic mice in a dose-dependent manner. Furthermore, combination of a sub-effective dose of tecastemizole, combined with a sub-effective dose of dexamethasone inhibited eosinophil accumulation in this model. Plasma extravasation in PCA reactions was inhibited by tecastemizole, although by a mechanism that would appear to be H1 receptor-dependent. Cytokine-induced endothelial intercellular adhesion molecule-1 and vascular cell adhesion molecule-1 expression, as well as mononuclear cell adhesion to human umbilical vein endothelial cells was inhibited by tecastemazole in a manner independent of H1 receptor antagonism. CONCLUSION These data suggest that tecastemizole may have H1 receptor-independent effects in inhibiting late-phase inflammatory responses, while acute responses appear to be inhibited in a H1 receptor-dependent manner. Furthermore, our data suggest an important potential steroid-sparing role for such drugs in the treatment of allergic inflammatory conditions.
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Affiliation(s)
- R Lever
- Department of Pharmacology, The School of Pharmacy, 29-39 Brunswick Square, London, UK
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Uller L, Mathiesen JM, Alenmyr L, Korsgren M, Ulven T, Högberg T, Andersson G, Persson CGA, Kostenis E. Antagonism of the prostaglandin D2 receptor CRTH2 attenuates asthma pathology in mouse eosinophilic airway inflammation. Respir Res 2007; 8:16. [PMID: 17328802 PMCID: PMC1810525 DOI: 10.1186/1465-9921-8-16] [Citation(s) in RCA: 106] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2006] [Accepted: 02/28/2007] [Indexed: 01/21/2023] Open
Abstract
Background Mast cell-derived prostaglandin D2 (PGD2), may contribute to eosinophilic inflammation and mucus production in allergic asthma. Chemoattractant receptor homologous molecule expressed on TH2 cells (CRTH2), a high affinity receptor for prostaglandin D2, mediates trafficking of TH2-cells, mast cells, and eosinophils to inflammatory sites, and has recently attracted interest as target for treatment of allergic airway diseases. The present study involving mice explores the specificity of CRTH2 antagonism of TM30089, which is structurally closely related to the dual TP/CRTH2 antagonist ramatroban, and compares the ability of ramatroban and TM30089 to inhibit asthma-like pathology. Methods Affinity for and antagonistic potency of TM30089 on many mouse receptors including thromboxane A2 receptor mTP, CRTH2 receptor, and selected anaphylatoxin and chemokines receptors were determined in recombinant expression systems in vitro. In vivo effects of TM30089 and ramatroban on tissue eosinophilia and mucus cell histopathology were examined in a mouse asthma model. Results TM30089, displayed high selectivity for and antagonistic potency on mouse CRTH2 but lacked affinity to TP and many other receptors including the related anaphylatoxin C3a and C5a receptors, selected chemokine receptors and the cyclooxygenase isoforms 1 and 2 which are all recognized players in allergic diseases. Furthermore, TM30089 and ramatroban, the latter used as a reference herein, similarly inhibited asthma pathology in vivo by reducing peribronchial eosinophilia and mucus cell hyperplasia. Conclusion This is the first report to demonstrate anti-allergic efficacy in vivo of a highly selective small molecule CRTH2 antagonist. Our data suggest that CRTH2 antagonism alone is effective in mouse allergic airway inflammation even to the extent that this mechanism can explain the efficacy of ramatroban.
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Affiliation(s)
- Lena Uller
- Dept. Experimental Medical Science, Lund University, Sweden
| | | | - Lisa Alenmyr
- Dept. Clinical Pharmacology, Lund University Hospital, Lund, Sweden
| | - Magnus Korsgren
- Dept. Clinical Pharmacology, Lund University Hospital, Lund, Sweden
| | - Trond Ulven
- 7TM Pharma A/S, Fremtidsvej 3, 2970 Hørsholm, Denmark
| | | | | | - Carl GA Persson
- Dept. Clinical Pharmacology, Lund University Hospital, Lund, Sweden
| | - Evi Kostenis
- 7TM Pharma A/S, Fremtidsvej 3, 2970 Hørsholm, Denmark
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Hamada R, Seike M, Kamijima R, Ikeda M, Kodama H, Ohtsu H. Neuronal conditions of spinal cord in dermatitis are improved by olopatadine. Eur J Pharmacol 2006; 547:45-51. [PMID: 16934247 DOI: 10.1016/j.ejphar.2006.06.058] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2005] [Revised: 05/29/2006] [Accepted: 06/20/2006] [Indexed: 11/24/2022]
Abstract
Intense pruritus and cutaneous reactivity represent cardinal features of eczema. The resulting scratching behaviors alter neuronal conditions of the spinal dorsal horn where the primary sensory afferent fibers transmit cutaneous stimulation and deteriorate eczematous skin lesions. We investigated the effects of olopatadine hydrochloride (olopatadine) on alteration of neuronal conditions of the spinal dorsal horn and eczematous skin lesions induced by contact dermatitis. Eczematous lesions were induced by repeated application of diphenylcyclopropenone (DCP) in BALB/c mice. Olopatadine suppressed scratching behavior caused by repeated application of DCP in mice. Increased expressions of c-Fos and substance P in the spinal dorsal horn following DCP application were improved by olopatadine. Furthermore, olopatadine diminished the number of infiltrating cells and levels of cytokines in eczematous skin lesions resulting from DCP application. Olopatadine improves neurological conditions in the spinal cord and eczematous skin lesions in a murine contact dermatitis model.
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Affiliation(s)
- Rie Hamada
- Department of Dermatology, Kochi Medical School, Okohcho, Nankoku, Kochi 783-8505, Japan
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Abstract
PURPOSE OF REVIEW To evaluate the pharmacology of current drug development directed towards ocular allergy. Increased worldwide prevalence of ocular allergy has stimulated expansion of management strategies towards physiologic and immunologic drug targets. RECENT FINDINGS Present drug targets are located in the conjunctival mucosal surface at the initial site of allergen exposure. Pharmacologic intervention attends to early and late phase reactions. Targets generating a response include mast cells, IgE, released preformed mediator histamine, and newly formed mediators, such as prostaglandins, leukotrienes and cytokines. Methods to simulate allergy and measure efficacy of drugs are the conjunctival allergen challenge and the conjunctival provocation test. Pharmacologic outcome is measured via cytologic biomarkers and clinical signs/symptoms of redness, itching, lid swelling and chemosis. Endpoint instruments such as the Ocular Allergy Index and Eye Allergy Patient Impact Questionnaire have emerged from the field of pharmacoeconomics. SUMMARY Important pharmacologic properties of targets have been revealed. First, histamine is more specifically antagonized by second generation antihistamines. Second, newly formed mediators and downstream responders (prostaglandins, leukotrienes, interleukins, intercellular adhesion molecule 1, tumor necrosis factor, vascular cell adhesion molecule, eosinophils and neutrophils) are more selectively antagonized by dual/multiple-action agents.
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Affiliation(s)
- Beth Lillian Schultz
- Clinical Pharmacology Department, Thomas Jefferson University, Philadelphia, Pennsylvania, USA.
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Lin JY, Chen ML, Chiang BL, Lin BF. Ganoderma tsugae supplementation alleviates bronchoalveolar inflammation in an airway sensitization and challenge mouse model. Int Immunopharmacol 2005; 6:241-51. [PMID: 16399629 DOI: 10.1016/j.intimp.2005.08.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2005] [Revised: 07/22/2005] [Accepted: 08/16/2005] [Indexed: 10/25/2022]
Abstract
Ganoderma tsugae (a Chinese mushroom Songshan lingzhi) cultivated in Taiwan is extensively used in Chinese traditional medicine to treat different diseases. To determine whether G. tsugae has anti-inflammatory effects on bronchoalveolar inflammation in vivo, we investigated the anti-inflammatory effects of G. tsugae products, YK01 and YK07, on bronchoalveolar inflammation using an airway sensitization and challenge mouse model. Female BALB/c mice were weekly sensitized by intraperitoneal injection of ovalbumin (OVA) three times and challenged with aerosolized OVA twice. Differential cell counts of infiltrating leukocytes, inflammatory mediators, cytokines in bronchoalvelor lavage fluid (BALF) of OVA-challenged mice were examined after continuously consuming G. tsugae diets for 5 weeks. We found that supplementation of G. tsugae significantly decreased total infiltrating leukocytes and lymphocyte percentage in BALF in the experimental groups. Supplementation of G. tsugae also significantly reduced inflammatory mediators in BALF including histamine, prostaglandin E2, eotaxin, and protein levels, however the levels of pro-inflammatory cytokines, interleukin (IL)-1beta and IL-6, in BALF did not significantly change. These results suggest that both G. tsugae supplementation diets YK01 and YK07 might alleviate bronchoalveolar inflammation via decreasing the infiltration of inflammatory cells and the secretion of inflammatory mediators into the local tissues of lungs and airways. Further, these results indicate that the relief of bronchoalveolar inflammation in an airway sensitization murine model provides a possible therapeutic application for G. tsugae in allergic asthma.
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Affiliation(s)
- Jin-Yuarn Lin
- Department of Food Science and Biotechnology, College of Agriculture and Natural Resources, National Chung Hsing University, 250 Kuokuang Road, Taichung 40227, Taiwan, Republic of China (ROC).
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Minami K, Fujii Y, Kamei C. Participation of chemical mediators in the development of experimental allergic conjunctivitis in rats. Int Immunopharmacol 2004; 4:1531-5. [PMID: 15351322 DOI: 10.1016/j.intimp.2004.07.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2004] [Revised: 07/12/2004] [Accepted: 07/12/2004] [Indexed: 11/19/2022]
Abstract
In the present study, we investigated the participation of chemical mediators in the development of experimental allergic conjunctivitis in rats. Cetirizine (a histamine H1 receptor antagonist), ramatroban (a thromboxane A2 (TXA2) receptor antagonist) and zafirlukast (a cysteinyl leukotrienes (cys-LTs) receptor antagonist) were orally administered from day 14 to day 42 during repeated topical antigen challenge. An increase in reactivity to antigen- and histamine-induced eye scratching behavior was observed by topical sensitization in sensitized rats. Although increased reactivity to antigen was not influenced by cetirizine, ramatoroban and zafirlukast, increased reactivity to histamine was significantly inhibited by ramatroban. The development of conjunctival edema was also observed for topical sensitization. Cetirizine caused no inhibition of the development of conjunctival edema, but ramatroban and zafirlukast inhibited the development of conjunctival edema. In addition, the number of eosinophils in the conjunctiva was increased by topical sensitization. Cetirizine had no significant effect on the increase in the number of eosinophils. However, ramatroban and zafirlukast were effective in inhibiting an increase in the number of eosinophils induced by topical sensitization. These results indicate that TXA2 is involved in increased histamine reactivity, and TXA2 and cys-LTs are associated with not only the conjunctival edema but also eosinophil infiltration during the development of experimental allergic conjunctivitis in rats.
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MESH Headings
- Administration, Oral
- Animals
- Carbazoles/administration & dosage
- Carbazoles/pharmacology
- Cetirizine/administration & dosage
- Cetirizine/pharmacology
- Conjunctivitis, Allergic/immunology
- Conjunctivitis, Allergic/metabolism
- Disease Models, Animal
- Edema/immunology
- Eosinophilia/immunology
- Histamine H2 Antagonists/administration & dosage
- Histamine H2 Antagonists/pharmacology
- Indoles
- Leukotriene Antagonists/administration & dosage
- Leukotriene Antagonists/pharmacology
- Male
- Membrane Proteins/antagonists & inhibitors
- Membrane Proteins/immunology
- Ovalbumin/immunology
- Phenylcarbamates
- Pruritus/immunology
- Rats
- Rats, Wistar
- Receptors, Histamine H2/immunology
- Receptors, Histamine H2/metabolism
- Receptors, Leukotriene/immunology
- Receptors, Thromboxane A2, Prostaglandin H2/antagonists & inhibitors
- Receptors, Thromboxane A2, Prostaglandin H2/immunology
- Sulfonamides/administration & dosage
- Sulfonamides/pharmacology
- Tosyl Compounds/administration & dosage
- Tosyl Compounds/pharmacology
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Affiliation(s)
- Kazuhisa Minami
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Okayama University, Tushima-naka 1-1-1, Okayama 700-8530, Japan
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Minami K, Kamei C. A chronic model for evaluating the itching associated with allergic conjunctivitis in rats. Int Immunopharmacol 2004; 4:101-8. [PMID: 14975364 DOI: 10.1016/j.intimp.2003.10.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2003] [Revised: 08/11/2003] [Accepted: 10/27/2003] [Indexed: 11/29/2022]
Abstract
The present study was performed to develop a new model for evaluating itching associated with allergic conjunctivitis in rats. Repeated topical application of antigen caused an increase in eye scratching behavior in sensitized animals, and a significant difference was observed from days 21 to 42. Almost the same findings were observed in allergic symptoms, hyperemia and edema. Instillation of histamine also resulted in an increase in eye scratching behavior. The sensitivity to histamine in eye scratching behavior was increased by topical antigen application for 42 days after sensitization. In addition, the number of conjunctival eosinophils was significantly increased by repeated topical antigen application from days 21 to 42 in sensitized rats. Some anti-allergic drugs such as olopatadine (H1 antagonist), cetiridine (H1 antagonist) and ramatroban (thromboxane A2 (TXA2) antagonist) caused an inhibition of eye scratching behavior induced by topical sensitization in a dose-related manner. However, zafirlukast (cys-LT antagonist) caused no significant inhibition even at a dose of 30 mg/kg. The findings in present model of itching in allergic conjunctivitis were mainly through histamine H1-activity, and thromboxane A2 receptors were also involved in the response.
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Affiliation(s)
- Kazuhisa Minami
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Okayama University, Tsushima-naka 1-1-1, Okayama 700-8530, Japan
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